Alternatives to Langchain-Chatchat
The top Open Source companies similar to Langchain-Chatchat, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
LangChain61Agentic AISan Francisco, United States$260.0M- PRPrivateGPT5AI Search Engine
LlamaIndex64Agentic AIUnited States
LlamaIndex Inc.53Foundation ModelSan Francisco, United States
Pinecone69AI InfrastructureSan Francisco, United States$138.0M
Dust65Agentic AIParis, France$15.0M
LiteLLM62Foundation ModelSan Francisco, United States$5.0M
Tawkit, Inc.61Agentic AISeattle, United States$27.0M
Composio59Agentic AISan Francisco, United States$50.0M
Auto-GPT56Agentic AI$12.0M
Arcten55Agentic AISan Francisco, United States$12.0M
Feast AI54MLOpsSan Francisco, United States$8.0M
Deeto54EnterpriseSan Francisco, United States$12.5M
Langflow53Agentic AILisbon, Portugal$1.0M
Naboo AI52Retrieval Augmented GenerationSan Francisco, United States$62.7M
RelAI51Agentic AISan Francisco, United States$10.0M
Hunch47EnterpriseTel Aviv, Israel$1.5M- Eternyl40Agentic AISan Francisco, United States$17.0M
Compbrief38AI Search EngineSan Francisco, United States- RARails34Agentic AISan Francisco, United States
Look Up33AI Search EngineSan Francisco, United States$50.0M
MemGPT28Foundation Model
Parlant27AI AgentsTel Aviv, Israel
LangWare25Artificial IntelligenceSan Francisco, United States
IndexFox24AI Search EngineTel Aviv, Israel$2.0M
Briefbridge23AI Search EngineTel Aviv, Israel$1.5M
SuperAGI23Agentic AIBengaluru, India
Langbase20Agentic AISan Francisco, United States
AskVirgil18EnterpriseSan Francisco, United States- BABabyAGI18Agentic AI
- XMxMemory10Artificial IntelligenceLondon, United Kingdom
newcode.ai10AI Coding AssistantTel Aviv, Israel$1.0M
RagflyRetrieval Augmented GenerationTel Aviv, Israel
QuoreloAI Search Engine
CraftblocksAgentic AISan Francisco, United States$1.5M
QuoreloAI Search Engine
AI Coding Assistants (e.g., GitHub Copilot, Cursor)88AI Coding AssistantNew York, United States$54.0M
Together AI76AI InfrastructureSan Francisco, United States$106.0M
Hebbia72Agentic AINew York, United States$100.0M
Perplexity AI71Search EngineSan Francisco, United States$665.0M
H2O.ai64Foundation ModelMountain View, United States$228.1M
Patronus AI63Agentic AISan Francisco, United States$14.5M
Airweave63Agentic AISan Francisco, United States$6.0M
Darrow61LegalNew York, United States$59.0M
Harvey.61Legal & ComplianceNew York, United States$100.0M
Vectara60Agentic AIPalo Alto, United States$40.0M
Channel360Agentic AISan Francisco, United States$7.0M
Weaviate60Vector DatabaseAmsterdam, Netherlands$2.0M
Iris.ai58AI Foundation & ComputeOslo, Norway$10.4M
Unleash57EnterpriseSan Francisco, United States$35.0M
Tavily57Generative AITel Aviv, Israel$5.0M
AssemblyAI56Voice AISan Francisco, United States$117.0M
rogo56FinanceNew York, United States$322.0M
Vijil55Agentic AISan Francisco, United States$17.0M- EXExa Labs55Artificial IntelligenceSan Francisco, United States$250.0M
Southern55AI Search EngineSan Francisco, United States$300K
Pandektes55Agentic AITel Aviv, Israel$7.3M
Bito54AI Coding AssistantSan Francisco, United States$5.7M
KiloClaw54Artificial Intelligence
Toolbase54Developer ToolsSan Francisco, United States$10.0M
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| LangChain | Agentic AI | San Francisco, United States | $260.0M | 61 |
| PRPrivateGPT | AI Search Engine | — | — | 5 |
| LlamaIndex | Agentic AI | United States | — | 64 |
| LlamaIndex Inc. | Foundation Model | San Francisco, United States | — | 53 |
| Pinecone | AI Infrastructure | San Francisco, United States | $138.0M | 69 |
| Dust | Agentic AI | Paris, France | $15.0M | 65 |
| LiteLLM | Foundation Model | San Francisco, United States | $5.0M | 62 |
| Tawkit, Inc. | Agentic AI | Seattle, United States | $27.0M | 61 |
| Composio | Agentic AI | San Francisco, United States | $50.0M | 59 |
| Auto-GPT | Agentic AI | — | $12.0M | 56 |
| Arcten | Agentic AI | San Francisco, United States | $12.0M | 55 |
| Feast AI | MLOps | San Francisco, United States | $8.0M | 54 |
| Deeto | Enterprise | San Francisco, United States | $12.5M | 54 |
| Langflow | Agentic AI | Lisbon, Portugal | $1.0M | 53 |
| Naboo AI | Retrieval Augmented Generation | San Francisco, United States | $62.7M | 52 |
| RelAI | Agentic AI | San Francisco, United States | $10.0M | 51 |
| Hunch | Enterprise | Tel Aviv, Israel | $1.5M | 47 |
| Agentic AI | San Francisco, United States | $17.0M | 40 | |
| Compbrief | AI Search Engine | San Francisco, United States | — | 38 |
| RARails | Agentic AI | San Francisco, United States | — | 34 |
| Look Up | AI Search Engine | San Francisco, United States | $50.0M | 33 |
| MemGPT | Foundation Model | — | — | 28 |
| Parlant | AI Agents | Tel Aviv, Israel | — | 27 |
| LangWare | Artificial Intelligence | San Francisco, United States | — | 25 |
| IndexFox | AI Search Engine | Tel Aviv, Israel | $2.0M | 24 |
| Briefbridge | AI Search Engine | Tel Aviv, Israel | $1.5M | 23 |
| SuperAGI | Agentic AI | Bengaluru, India | — | 23 |
| Langbase | Agentic AI | San Francisco, United States | — | 20 |
| AskVirgil | Enterprise | San Francisco, United States | — | 18 |
| BABabyAGI | Agentic AI | — | — | 18 |
| XMxMemory | Artificial Intelligence | London, United Kingdom | — | 10 |
| newcode.ai | AI Coding Assistant | Tel Aviv, Israel | $1.0M | 10 |
| Ragfly | Retrieval Augmented Generation | Tel Aviv, Israel | — | — |
| Quorelo | AI Search Engine | — | — | — |
| Craftblocks | Agentic AI | San Francisco, United States | $1.5M | — |
| Quorelo | AI Search Engine | — | — | — |
| AI Coding Assistants (e.g., GitHub Copilot, Cursor) | AI Coding Assistant | New York, United States | $54.0M | 88 |
| Together AI | AI Infrastructure | San Francisco, United States | $106.0M | 76 |
| Hebbia | Agentic AI | New York, United States | $100.0M | 72 |
| Perplexity AI | Search Engine | San Francisco, United States | $665.0M | 71 |
| H2O.ai | Foundation Model | Mountain View, United States | $228.1M | 64 |
| Patronus AI | Agentic AI | San Francisco, United States | $14.5M | 63 |
| Airweave | Agentic AI | San Francisco, United States | $6.0M | 63 |
| Darrow | Legal | New York, United States | $59.0M | 61 |
| Harvey. | Legal & Compliance | New York, United States | $100.0M | 61 |
| Vectara | Agentic AI | Palo Alto, United States | $40.0M | 60 |
| Channel3 | Agentic AI | San Francisco, United States | $7.0M | 60 |
| Weaviate | Vector Database | Amsterdam, Netherlands | $2.0M | 60 |
| Iris.ai | AI Foundation & Compute | Oslo, Norway | $10.4M | 58 |
| Unleash | Enterprise | San Francisco, United States | $35.0M | 57 |
| Tavily | Generative AI | Tel Aviv, Israel | $5.0M | 57 |
| AssemblyAI | Voice AI | San Francisco, United States | $117.0M | 56 |
| rogo | Finance | New York, United States | $322.0M | 56 |
| Vijil | Agentic AI | San Francisco, United States | $17.0M | 55 |
| EXExa Labs | Artificial Intelligence | San Francisco, United States | $250.0M | 55 |
| Southern | AI Search Engine | San Francisco, United States | $300K | 55 |
| Pandektes | Agentic AI | Tel Aviv, Israel | $7.3M | 55 |
| Bito | AI Coding Assistant | San Francisco, United States | $5.7M | 54 |
| KiloClaw | Artificial Intelligence | — | — | 54 |
| Toolbase | Developer Tools | San Francisco, United States | $10.0M | 54 |